How to Pass JSON Data in a URL using CURL in PHP ?

Code to post JSON Data in a URL using CURL in PHP

$url='https://www.onlineinterviewquestions.com/get_details';
$jsonData='{"name":"phpScots",
"email":"phpscots@onlineinterviewquestions.com"
,'age':36
}';
$ch = curl_init();
curl_setopt($ch, CURLOPT_URL, $url);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, 0);
curl_setopt($ch, CURLOPT_POSTFIELDS, $jsonData);
curl_close($ch);